Explain the term virtual private network, Computer Network Security

Assignment Help:

Question:

(a) Besides privacy, what other security functions does Pretty Good Privacy (PGP) provides?

(b) What is the Post Office Protocol (POP) used for? Why is it important that POP uses authentication, whereas the Simple Mail Transfer Protocol (SMTP) does not?

(c) When worms attack the e-mail client, the e-mail servers (the Mail Transfer Agent (MTA) and the Mail Delivery Agent (MDA)) get overwhelmed as well. Explain why.

(d) What do you meant by spam? Blocking lists are typically used to prevent spam. Discuss the effectiveness of using blocking list. How do ISPs prevent their clients from sending spam?

(e) What do you understand by the term Virtual Private network (VPN)? Describe how IPSec can be used to implement a VPN.

(f) Compare and contrast IPSec and SSH.


Related Discussions:- Explain the term virtual private network

Explain how can we achieved privacy in an e-mail system, Explain how can we...

Explain how can we achieved privacy in an e-mail system.  The full form of PEM is Privacy Enhanced Mail: PEM  is  the  internet  Privacy  Enhanced  Mail  standard  adopted

Ipv6 datagram format, IPV6 DATAGRAM FORMAT It is given in the figure b...

IPV6 DATAGRAM FORMAT It is given in the figure below:

Define multimedia and application of multimedia, Describe the salient featu...

Describe the salient features of the multimedia. Also explain the applications of it. Multimedia can be understood as follows: Multimedia is on the whole a media which makes

Plaintext, how to encryt the data in plaintext cipher

how to encryt the data in plaintext cipher

Kasonet pinging system, KASONet Pinging System: Project Title:       ...

KASONet Pinging System: Project Title:                                                           "KASONet Pinging System"   Brief Overview of Project: The o

Discuss the importance of ontologies in agent communication, Question 1...

Question 1 The speech act theory is used as the model for communication among computational agents. Locution, illocution, and perlocution are the 3 aspects of this theory Using

Evaluations, Evaluations, Assessment, and Maintenance of Risk Controls W...

Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef

Representation of a tcp header, (a) Figure is a representation of a TCP hea...

(a) Figure is a representation of a TCP header. For each of the fields lettered from A to G, state the name of the field and provide a brief explanation for the function of each fi

Explain transposition ciphers and substitution cipher, What do you understa...

What do you understand by cryptanalysis? Discuss about the transposition ciphers substitution cipher, and onetime pads. The messages which are intended to transmit secretly and

Biology, Ask question #Minimum 100 words are there non parasitic v...

Ask question #Minimum 100 words are there non parasitic viruses

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd